ZipCodeCore · ZachSinger · Jul 28, 2021
diff --git a/.DS_Store b/.DS_Store
diff --git a/answers/exercise1.sql b/answers/exercise1.sql
@@ -0,0 +1 @@
+create schema myNewDB;
diff --git a/answers/exercise10.sql b/answers/exercise10.sql
@@ -0,0 +1 @@
+select * from Students where City = 'Philadelphia' or 'Trenton';
diff --git a/answers/exercise11.sql b/answers/exercise11.sql
@@ -0,0 +1 @@
+Select * from Students order by City ASC;
diff --git a/answers/exercise12.sql b/answers/exercise12.sql
@@ -0,0 +1 @@
+Select * from Students order by City DESC;
diff --git a/answers/exercise13.sql b/answers/exercise13.sql
@@ -0,0 +1 @@
+Select * from Students order by Country, City ASC;
diff --git a/answers/exercise14.sql b/answers/exercise14.sql
@@ -0,0 +1 @@
+Select * from Students where PostalCode = null;
diff --git a/answers/exercise15.sql b/answers/exercise15.sql
@@ -0,0 +1 @@
+Select * from Students where PostalCode <> null;
diff --git a/answers/exercise16.sql b/answers/exercise16.sql
@@ -0,0 +1 @@
+Update Students Set City = 'Edinburgh';
diff --git a/answers/exercise17.sql b/answers/exercise17.sql
@@ -0,0 +1 @@
+Update Students Set City = 'Edinburgh' Where Country = 'Scotland';
diff --git a/answers/exercise18.sql b/answers/exercise18.sql
@@ -0,0 +1 @@
+Update Students Set City = 'Edinburgh', Country = 'Scotland' where StudentID = 35;
diff --git a/answers/exercise19.sql b/answers/exercise19.sql
@@ -0,0 +1 @@
+delete from Students where Country = 'Scotland';
diff --git a/answers/exercise2.sql b/answers/exercise2.sql
@@ -0,0 +1 @@
+drop database myNEWDB
diff --git a/answers/exercise20.sql b/answers/exercise20.sql
@@ -0,0 +1 @@
+truncate Students;
diff --git a/answers/exercise3.sql b/answers/exercise3.sql
@@ -0,0 +1,8 @@
+create table Users
+(
+    UserID int,
+    LastName VARCHAR(255),
+    FirstName VARCHAR(255),
+    Address VARCHAR(255),
+    City VARCHAR(255)
+);
diff --git a/answers/exercise4.sql b/answers/exercise4.sql
@@ -0,0 +1 @@
+delete Users from myNewDB;
diff --git a/answers/exercise5.sql b/answers/exercise5.sql
@@ -0,0 +1 @@
+truncate table Users;
diff --git a/answers/exercise6.sql b/answers/exercise6.sql
@@ -0,0 +1 @@
+alter table Users add Birthday Date;
diff --git a/answers/exercise7.sql b/answers/exercise7.sql
@@ -0,0 +1 @@
+delete Birthday from Users;
diff --git a/answers/exercise8.sql b/answers/exercise8.sql
@@ -0,0 +1,2 @@
+INSERT INTO Students (StudentName, Address, City, PostalCode, Country)
+VALUES ('Jane Doe', '57 Union St', 'Glasgow', 'G13RB', 'Scotland');
diff --git a/answers/exercise9.sql b/answers/exercise9.sql
@@ -0,0 +1 @@
+select * from Students where City <> 'Philadelphia';
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		select * from Students where City = 'Philadelphia' or 'Trenton';
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Select * from Students order by Country, City ASC;
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Select * from Students where PostalCode = null;
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Update Students Set City = 'Edinburgh' Where Country = 'Scotland';
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Update Students Set City = 'Edinburgh', Country = 'Scotland' where StudentID = 35;
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		delete from Students where Country = 'Scotland';
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		INSERT INTO Students (StudentName, Address, City, PostalCode, Country)
		VALUES ('Jane Doe', '57 Union St', 'Glasgow', 'G13RB', 'Scotland');
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		select * from Students where City <> 'Philadelphia';